What would happen if the balloon is forced to an altitude 500 m lower? Would the balloon still be overinflated? Would the balloon system still be in equilibrium? e. (10p) What would happen if the balloon is forced to an altitude 500 m higher? Would the balloon still be overinflated? Would the balloon system still be in equilibrium?

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards